Service Mode And Self-Diagnosis Function - Yamaha DVD-S2300 Service Manual

DVD-S2300

SERVICE MODE AND SELF-DIAGNOSIS FUNCTION

1. Service Mode
a. Turn on the POWER switch.
b. Press the SACD/DVD button to set to the DVD mode, and the DVD mode indicator lights up.
c. It is possible to use the following service modes, using the buttons on the player and the remote control unit in
combination.
Note: For jitter check, load the DVD test disc. [DVDT-S15 (AAX07320) or DVDT-S01]
Player mode and
Item
button combination
Error code In STOP mode, press The latest error code stored in
check " " and "
buttons on the player,
and "0" button on the
remote control unit.
Jitter check In PLAY mode, press Jitter rate is measured and
" " and "
buttons on the player,
and "5" button on the
remote control unit.
Region In STOP mode, press The region numbers and video
display " " and "
buttons on the player,
and "6" button on the
remote control unit.
Version In STOP mode, press DVD module firmware version
display " " and "
buttons on the player,
and "7" button on the
remote control unit.
DVD laser In STOP mode, press DVD laser drive current is
drive current " " and "
measurement buttons on the player, displayed together with the initial
and "ON SCREEN"
button on the remote
control unit.
Initial setting In STOP mode, press The initial current value for each LDO_034_028
of laser drive " " and "
current buttons on the player, separetely saved in EEPROM.
and " " button on
the remote control
unit.
18
Function
" EEPROM is displayed.
" displayed.
" format are displayed.
" is displayed.
" measured and the result is
value stored in EEPROM.
After the measurement, DVD
laser emission is kept on. It is
turned off when the "POWER"
key is switched off.
" DVD laser and CD laser is
Display
Error code (play_err) is expressed in
the following convention.
Error code = 0 x DAXX is expressed: → nn UXX
Error code = 0 x DBXX is expressed: → nn HXX
Error code = 0 x DXXX is expressed: → nn FXXX
Error code = 0 x 0000 is expressed: → nn F–––
* "nn" denotes the serial number of history.
J_xxx_yyy_zz
↑ ↑ ↑ ↑
Jitter rate is shown in decimal notation to
one place of decimal.
Focus drive value is shown in
hexadecimal notation.
x_yy_zzz
↑ ↑↑
srrr_xyzzzz
↑
LDD_034_032
↑ ↑ ↑
The value denotes the current in decimal
notation.
The above example shows the initial
current is 34mA and the measured value
is 32mA.
↑ ↑ ↑
The value denotes the current in decimal
notation. The above example shows the
initial current is 34mA and 28mA for DVD
laser and CD laser respectively when the
laser is switched on.
Cancellation
method
Cancelled
automatically 5
seconds later.
Press STOP or
OPEN button.
Cancelled
automatically 5
seconds later.
Cancelled
automatically 5
seconds later.
Cancelled
automatically 5
seconds later.
Cancelled
automatically 5
seconds later.